But first the search for a woman missing in Texas. She was traveling with her husband, only to disappear on a short stroll near her in-law's home. And the efforts to find her. Reporter: Searching by foot, with dogs and helicopters. Looking for the woman who went on a walk and never returned. The family saying why they feel so helpless. They searched around the area where she was last seen. No sign of the 33-year-old woman. They don't suspect foul play. Family and friends say sitting still is impossible. We have exhausted the area surrounding our city, and we will continue to follow all leads. We searched about 23 square miles, including some areas beyond what we would typically consider a cone of -- of area where a missing person might be. We have no idea what has happened. We have no clues whatsoever. And the police department briefed us, and they have no clues as to where she might be. She and her husband josh just returned to the states after spending two year fulfilling a lifelong dream to travel the world. Every corner, from Australia to London, Thailand to Turkey. They were days away from taking their next exciting adventure to search for jobs andettle down in Denver. Right now, there's a lot of emotion. He's devastated as any husband would be. He will take a few days to decide what he would like to do. We are helpless. We would like some clues. Reporter: A family frozen with fear and desperate for the woman who travelled to near think 60 countries to come home. And they are cross-referencing cases from the past 60 years to find new clues. And they have zero leads. And the toll it's take on that family. Thank you.

This transcript has been automatically generated and may not be 100% accurate.

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